The Varian 640-IR is a ‘fit-for-purpose’, high-performance spectrometer designed to make FT-IR spectroscopy easy. With a range of unique, easy to use hardware and software features, it allows even novice users to quickly become productive. It is available in mid-IR or near-IR configurations and is suited to QA/QC applications identification and verification analyses, and is an ideal educational tool.
The Varian 640-IR is a high‑performance FT‑IR spectrometer designed for easy use in QA/QC, identification and verification analyses, as well as educational settings. It features a 38 mm dynamically aligned, 60° mechanical bearing Michelson interferometer and an air‑cooled source, offering standard resolution of less than 0.18 cm⁻¹.
The sheet provides detailed performance specifications, system dimensions, weight, interface options, and a list of compatible accessories such as microscopes and TGA‑IR modules. Warranty information and support periods are also included.
| Interferometer type | 38 mm dynamically aligned, 60° mechanical bearing Michelson |
|---|---|
| Spectral resolution | < 0.18 cm⁻¹ |
| Signal‑to‑noise ratio | 6,000:1 p‑p (absorbance = 7.2 × 10⁻⁵) |
| A/D converter dynamic range | Delta‑Sigma (24 bits) |
| Spectrometer interface | USB 2 |
| Spectrometer dimensions (W × D × H) | 70.8 × 75.6 × 34.4 cm |
| Weight | 80 kg (176 lb) |
| Mid‑IR spectral range | 7,900–375 cm⁻¹ |
The instrument provides a resolution of less than 0.18 cm⁻¹.
It uses a USB 2 interface for data transfer.